dbSNP rs782392185: CD99L2:p.Lys242Asn (chrX-150769097-T-A) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_031462.4(CD99L2):c.726A>T(p.Lys242Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000344 in 1,161,921 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000089 ( 0 hom., 0 hem., cov: 24)

Exomes 𝑓: 0.0000029 ( 0 hom. 2 hem. )

Consequence

CD99L2
NM_031462.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.587

Publications

0 publications found

Variant links:

Genes affected

CD99L2 (HGNC:18237): (CD99 molecule like 2) This gene encodes a cell-surface protein that is similar to CD99. A similar protein in mouse functions as an adhesion molecule during leukocyte extravasation. Alternate splicing results in multiple transcript variants. [provided by RefSeq, May 2010]

CD99L2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.108080566).

BS2

High Hemizygotes in GnomAdExome4 at 2 gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CD99L2	NM_031462.4 link	c.726A>T	p.Lys242Asn	missense_variant	Exon 11 of 11	ENST00000370377.8	NP_113650.2	Q8TCZ2-1A0A024RC16

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CD99L2	ENST00000370377.8 link	c.726A>T	p.Lys242Asn	missense_variant	Exon 11 of 11	1	NM_031462.4	ENSP00000359403.3		Q8TCZ2-1

Frequencies

GnomAD3 genomes

AF:

0.00000888

AC:

AN:

112627

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000280

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000149

AC:

AN:

134461

AF XY:

0.0000221

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000246

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000286

AC:

AN:

1049294

Hom.:

Cov.:

AF XY:

0.00000584

AC XY:

AN XY:

342200

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

22758

American (AMR)

AF:

0.00

AC:

AN:

23723

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

17814

East Asian (EAS)

AF:

0.0000759

AC:

AN:

26339

South Asian (SAS)

AF:

0.0000214

AC:

AN:

46713

European-Finnish (FIN)

AF:

0.00

AC:

AN:

39799

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3964

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

824103

Other (OTH)

AF:

0.00

AC:

AN:

44081

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000888

AC:

AN:

112627

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34793

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

30986

American (AMR)

AF:

0.00

AC:

AN:

10731

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2653

East Asian (EAS)

AF:

0.000280

AC:

AN:

3576

South Asian (SAS)

AF:

0.00

AC:

AN:

2744

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6223

Middle Eastern (MID)

AF:

0.00

AC:

AN:

236

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

53275

Other (OTH)

AF:

0.00

AC:

AN:

1519

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

May 18, 2020

AiLife Diagnostics, AiLife Diagnostics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.36

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.45

CADD

Benign

6.8

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.060

T;.;.;.;.

FATHMM_MKL

Benign

0.33

LIST_S2

Benign

0.80

T;T;T;T;T

M_CAP

Benign

0.0047

MetaRNN

Benign

0.11

T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.8

L;.;.;.;.

PhyloP100

-0.59

PrimateAI

Benign

0.42

PROVEAN

Benign

-2.0

N;.;N;N;N

REVEL

Uncertain

0.34

Sift

Benign

0.043

D;.;T;T;T

Sift4G

Uncertain

0.016

D;D;D;D;D

Polyphen

0.65

P;.;.;P;P

Vest4

0.12

MutPred

0.29

Loss of ubiquitination at K242 (P = 0.0056);.;.;.;.;

MVP

0.76

MPC

0.20

ClinPred

0.21

GERP RS

-4.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.17

gMVP

0.36

Mutation Taster

=97/3

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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rs782392185

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over